URLs

• https://www.pixiv.net/users/300772
• https://www.pixiv.net/stacc/firofiro
• https://twitter.com/Firo2010
• https://twitter.com/intent/user?user_id=108150880
• https://seiga.nicovideo.jp/user/illust/273645
• https://www.nicovideo.jp/user/273645
• https://sketch.pixiv.net/@firofiro
• http://p.twipple.jp/user/Firo2010
• http://twitpic.com/photos/Firo2010